Coal mine air inlet wellhead temperature adjusting system

Abstract

A coal mine air inlet wellhead temperature adjusting system comprises a coal mine methane heat exchange chamber, wherein a coal mine methane heat exchanger is arranged in the coal mine methane heat exchange chamber; an outlet of a heat exchange pipeline of the coal mine methane heat exchanger is connected with one port of a four-way valve by a conveying pipeline; an inlet of the heat exchange pipeline of the coal mine methane heat exchanger is connected with outlets of heat exchange pipelines of more than one air heat exchanger by a connecting pipeline; an inlet of the heat exchange pipeline of each air heat exchanger is connected with another port of the four-way valve by a pipeline; another port of the four-way valve is connected with an outlet of a compressor by a pipeline; another port of the four-way valve is connected with an inlet of the compressor by a pipeline; each air heat exchanger is arranged at an air inlet of an air inlet chamber or a channel inside the air inlet chamber. The invention aims at providing the coal mine air inlet wellhead temperature adjusting system capable of extracting continuous and steady huge thermal energy resources from coal mine methane in a mine air return main line to heat the air supply of a coal mine air inlet main line, thus saving a large number of energy resources.

Description

technical field [0001] The invention relates to a coal mine air inlet wellhead temperature regulating system. Background technique [0002] The "Coal Mine Safety Regulations" stipulates that the air temperature of the mine must be above 2°C below the air inlet wellhead; the air temperature of the mining face of the production mine shall not exceed 26°C, and the air temperature of the electromechanical equipment chamber shall not exceed 30°C. Therefore, in winter, it is necessary to heat the air entering the main air inlet of the coal mine, and in the hot summer, it is best to cool down the air entering the main air inlet of the coal mine. The existing air supply to the main air inlet road of the coal mine uses mine air preheating equipment such as coal-fired boilers to preheat the air entering the mine in winter, and exists in the exhaust air discharged from the main return air road of the mine. Continuous and stable A huge amount of thermal energy resources are directly di...

AI Technical Summary

Problems solved by technology

The existing air supply to the main air inlet road of the coal mine uses mine air preheating equipment such as coal-fired boilers to preheat the air entering the mine in winter, and exists in the exhaust air discharged from the main return air road of the mine. Continuous and stable A huge amount of thermal energy resources are directly discharged, resulting in huge energy waste and increased environmental pollution

In addition, in the midsummer season, the process of cooling the air entering the mine also consumes a lot of energy

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